Shiva Purana
तदप्यविदितं तावद्ब्रह्मणा विष्णुना तथा ॥ रजसा तमसा चित्तं तयोर्यस्मात्तिरस्कृतम् ॥ २ ॥
That too was incomprehensible to Brahmā and Viṣṇu because their minds had been screened with Rajas and Tamas.
english translation
tadapyaviditaM tAvadbrahmaNA viSNunA tathA ॥ rajasA tamasA cittaM tayoryasmAttiraskRtam ॥ 2 ॥
hk transliteration by Sanscript